a plateau of the Andes, covering the western part of Bolivia and extending into S Peru: contains Lake Titicaca. Height: 3000 m (10 000 ft) to 3900 m (13 000 ft)
altiplano in American English
(ˌæltɪˈplɑnoʊ; ˌ ɑltɪˈplɑnoʊ)
noun
a high plateau, esp. in the Bolivian or Peruvian Andes
Word origin
AmSp < Sp alti- (< L altus, high) + plano, a plain < VL < L planus, plane3